DE102007030549A1 - Piston-cylinder assembly - Google Patents
Piston-cylinder assembly Download PDFInfo
- Publication number
- DE102007030549A1 DE102007030549A1 DE102007030549A DE102007030549A DE102007030549A1 DE 102007030549 A1 DE102007030549 A1 DE 102007030549A1 DE 102007030549 A DE102007030549 A DE 102007030549A DE 102007030549 A DE102007030549 A DE 102007030549A DE 102007030549 A1 DE102007030549 A1 DE 102007030549A1
- Authority
- DE
- Germany
- Prior art keywords
- cylinder
- piston
- spring plate
- cylinder tube
- producing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
- B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
- B60G15/062—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper
- B60G15/063—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper characterised by the mounting of the spring on the damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/12—Wound spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/124—Mounting of coil springs
- B60G2204/1242—Mounting of coil springs on a damper, e.g. MacPerson strut
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2226/00—Manufacturing; Treatments
- F16F2226/04—Assembly or fixing methods; methods to form or fashion parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Springs (AREA)
- Actuator (AREA)
Abstract
Verfahren zur Herstellung eines Kolben-Zylinderaggregats, umfassend ein Zylinderrohr, in dem eine Kolbenstange axial beweglich angeordnet ist, wobei das Zylinderrohr sowie die Kolbenstange zumindest teilweise von einer Feder umgeben sind, die zwischen einem kolbenstangseitig festen und einem zylinderseitig festen Bauteil verspannbar ist, wobei das zylinderseitig feste Bauteil als ein Federteller ausgebildet ist, der über eine Oberflächenbeschichtung verfügt und der Federteller mittels einer radial wirkenden Magnetkraft zumindest mittelbar am Zylinderrohr fixiert wird.A method for producing a piston-cylinder unit, comprising a cylinder tube, in which a piston rod is arranged to be axially movable, wherein the cylinder tube and the piston rod are at least partially surrounded by a spring which is clamped between a rod side fixed and a cylinder-side solid component, wherein the Cylinder-side solid component is designed as a spring plate, which has a surface coating and the spring plate is fixed by means of a radially acting magnetic force at least indirectly on the cylinder tube.
Description
Die Erfindung betrifft ein Kolben-Zylinderaggregat gemäß dem Oberbegriff von Patentanspruch 1.The The invention relates to a piston-cylinder unit according to the The preamble of claim 1.
Kolben-Zylinderaggregate, in Form von Federdämpfern bzw. Federbeinmodulen, sind aus dem Stand der Technik hinlänglich bekannt und weisen sich besonders wegen ihrer kompakten Bauweise vorteilhaft aus.Piston-cylinder units, in the form of spring dampers or strut modules, are made The prior art well known and show especially advantageous because of their compact design.
Der Federdämpfer bzw. das Federbeinmodul setzt sich im Wesentlichen aus einer Schraubenfeder, die eine Dämpfungseinrichtung umgibt, zusammen. Die Dämpfungseinrichtung umfasst im Allgemeinen ein Zylinderrohr, in dem ein Kolbenventil an einer Kolbenstange axial beweglich angeordnet ist und das mit Dämpfmedium gefüllte Zylinderrohr in zwei Arbeitsräume unterteilt. Die Kolbenstange tritt teilweise einseitig aus dem Zylinderrohr aus. Die Schraubenfeder ist zwischen zwei Federtellern vorgespannt, die sich einerseits am Zylinderrohr und andererseits ortsfest zu der Kolbenstange axial abstützt. Da die Federteller bedingt durch ihre Anordnung Umgebungsbedingungen, unter anderem Feuchtigkeit, ausgesetzt sind, werden sie in der Praxis mit einer vor Korrosion schützenden Lackierung versehen. Neben dem Korrosionsschutz spielt auch die bessere Optik eine große Rolle.Of the Spring damper or the strut module is essentially from a coil spring, which is a damping device surrounds, together. The damping device generally comprises a cylinder tube in which a piston valve on a piston rod is arranged axially movable and with damping medium filled cylinder tube divided into two working spaces. The piston rod occurs partly unilaterally from the cylinder tube out. The coil spring is preloaded between two spring plates, on the one hand on the cylinder tube and on the other hand stationary the piston rod is axially supported. Because the spring plate conditionally by arranging environmental conditions, including moisture, In practice, they are exposed to corrosion provided protective paint. In addition to the corrosion protection also plays the better optics a big role.
Häufig wird dafür ein Verzinken der Federteller vorgenommen. Es bestünde natürlich die Möglichkeit z. B. einen Nirosta-Stahl, oder Aluminium zu verwenden, was aber aus Kosten, oder aber auch Festigkeitsgründen in Großserienproduktionen nicht immer umsetzbar ist.Often For this purpose, a galvanizing of the spring plate is made. It of course there would be the possibility z. As a stainless steel, or aluminum to use, but what Cost, or strength reasons in mass production is not always feasible.
Zur
Befestigung des Federtellers am Zylinderrohr beschreibt die
Alternativ
wird in der
Bei beiden Schweißverfahren ist das Anbringen eines beschichteten Federtellers jedoch nicht möglich, da die schützende Lackierung durch die Hitzeeinwirkung abschmelzen würde und somit kein Korrosionsschutz mehr besteht. Eine nachträgliche Lackierung der montierten Federteller am Zylinderrohr erhöht den Arbeits- und folglich auch den Kostenaufwand.at Both welding methods involve the application of a coated Federtellers, however, not possible because the protective Paint would melt by the action of heat and thus no corrosion protection exists. A subsequent painting the mounted spring plate on the cylinder tube increases the working and consequently the cost.
Als
weitere Alternative ist in der
Durch den direkten Kontakt des Prägewerkzeuges bei dieser Befestigungsmethode, kann es bei lackierten Bauteilen jedoch zu einem Abrieb der Lackschicht kommen, was unter Realbedingungen ein Korrodieren des Hülsenabschnitts zur Folge haben kann.By the direct contact of the embossing tool in this attachment method, However, it can cause lacquered components to abrasion of the paint layer what, under real conditions, a corroding of the sleeve section can result.
Die
Die Aufgabe der vorliegenden Erfindung besteht darin ein Fertigungsverfahren für Kolben-Zylinderaggregate zur Anbringung eines Federtellers bereit zustellen, welches die aus dem Stand der Technik bekannten Probleme behebt.The The object of the present invention is a manufacturing method for piston-cylinder units for attaching a spring plate ready to deliver, which are known from the prior art Fixes problems.
Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass der Federteller mittels einer radial wirkenden Magnetkraft zumindest mittelbar am Zylinderrohr fixiert wird.According to the invention the problem solved by the spring plate means a radially acting magnetic force at least indirectly on the cylinder tube is fixed.
Der große Vorteil besteht darin, dass eine Fixierung ohne jeglichen mechanischen Kontakt, oder eine übermäßige Wärmeeinwirkung auf den Federteller, erfolgen kann. Dadurch werden jegliche Oberflächenverunreinigungen oder Oberflächenbeschädigungen von vornherein vermieden. Somit wird ermöglicht, dass ein Federteller bereits vor der Montage am Zylinderrohr mit z. B. einer Zinkschicht versehen wird, was den Beschichtungsvorgang und den weiteren Montagevorgang erheblich vereinfacht. Die aufgebrachte Beschichtung hat keinen Einfluss auf das Verfahren.The great advantage is that a fixation without any mechanical contact, or excessive heat on the spring plate, can be done. This will prevent any surface contamination or surface damage from the outset. Thus, it is possible that a spring plate already before mounting on the cylinder tube with z. B. a zinc layer is provided, which the coating process and the considerably simplified further assembly process. The applied coating has no influence on the process.
Die radial wirkende Magnetkraft auf den Federteller, wird unter Erzeugung eines Magnetfeldes in Wechselwirkung mit einem induzierten elektrischen Strom im Federteller hervorgerufen. Um das Verfahren möglichst einfach umsetzen zu können ist es von Vorteil den Federteller aus einem elektrisch leitenden Material herzustellen.The radially acting magnetic force on the spring plate, is generating a magnetic field interacting with an induced electric current caused in the spring plate. To the procedure as possible easy to implement, it is advantageous the spring plate to produce from an electrically conductive material.
Vorteilhafterweise kann das Verfahren jedoch auch mit einem Federteller aus einem beliebigen Material durchgeführt werden, wenn der Federteller während der Prozessdurchführung von einer elektrisch leitenden Hülle umgeben wird. Dadurch ist man vom Parameter der elektrischen Leitfähigkeit weitestgehend unabhängig und kann auf ein breiteres Spektrum von Materialien zurückgreifen.advantageously, However, the method can also be used with a spring plate from any Material be carried out when the spring plate during the process execution of an electrically conductive Shell is surrounded. This is one of the parameters of the electrical Conductivity largely independent and can to use a wider range of materials.
Um eine größere Stabilität im Fixierungsbereich des Federtellers am Zylinderrohr zu erreichen, weist der Federteller eine umlaufende Anlagefläche auf, die sich axial erstreckt und im Wesentlichen parallel zur Längsachse des Zylinderrohres verläuft.Around greater stability in the fixation area of the spring plate to reach the cylinder tube, has the spring plate a circumferential abutment surface extending axially and substantially parallel to the longitudinal axis of the cylinder tube runs.
Vorteilhafterweise verfügt das Zylinderrohr über eine umlaufende Nut, in die die Anlagefläche des Federtellers bei der Prozessdurchführung formschlüssig hineinverformt wird. Damit ist der zylinderseitige Federteller unter Beaufschlagung mit der Feder axial gesichert.advantageously, the cylinder tube has a circumferential Groove into which the contact surface of the spring plate in the process execution is positively deformed into it. This is the cylinder side Spring plate secured axially under the action of the spring.
Da ein Kolben-Zylinderaggregat und somit auch der Federteller z. B. während des Betriebs eines Fahrzeugs ständigen Vibrationen ausgesetzt ist, ist es von Vorteil, die umlaufende Nut mit partiellen Unterbrechungen zu versehen. Dadurch ist neben einer axialen Sicherung auch eine radiale Verdrehsicherung gewährleistet.There a piston-cylinder unit and thus also the spring plate z. B. while operating a vehicle Vibration is exposed, it is beneficial to the circumferential groove to be provided with partial interruptions. This is next to one axial securing also ensures a radial rotation.
Als Alternative hierzu kann dass das Zylinderrohr ebenso über mindestens zwei Nuten in einer Ebene in Umfangsrichtung verfügen, die eine Schräglage zur Längsachse des Zylinderrohres aufweisen, in die die Anlagefläche bei der Prozessdurchführung formschlüssig hineinverformt wird.When Alternative to this is that the cylinder tube as well over have at least two grooves in a plane in the circumferential direction, the one oblique position to the longitudinal axis of the cylinder tube in which the contact surface in the process execution is positively deformed into it.
Die Erfindung ist nachstehend anhand von einem Ausführungsbeispiel noch ausführlicher erläutert.The Invention is hereinafter based on an embodiment explained in more detail.
Die
Figur zeigt einen Ausschnitt eines Kolben-Zylinderaggregats
Nach
dem erfindungsgemäßen Verfahren wird der Federteller
Wird
die Spulenanordnung von einem elektrischen Strom durchflossen, wird
ein Magnetfeld erzeugt, das in der Anlagefläche
Wird
für den Federteller
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 4122789 C2 [0005] - DE 4122789 C2 [0005]
- - DE 3230936 A1 [0006] - DE 3230936 A1 [0006]
- - DE 19851019 C1 [0008] - DE 19851019 C1 [0008]
- - DE 102005041086 A1 [0010] DE 102005041086 A1 [0010]
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007030549A DE102007030549A1 (en) | 2007-06-30 | 2007-06-30 | Piston-cylinder assembly |
EP08157530.0A EP2009322A3 (en) | 2007-06-30 | 2008-06-04 | Piston cylinder device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007030549A DE102007030549A1 (en) | 2007-06-30 | 2007-06-30 | Piston-cylinder assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007030549A1 true DE102007030549A1 (en) | 2009-01-02 |
Family
ID=39777012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007030549A Ceased DE102007030549A1 (en) | 2007-06-30 | 2007-06-30 | Piston-cylinder assembly |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2009322A3 (en) |
DE (1) | DE102007030549A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014116109A1 (en) * | 2014-11-05 | 2016-05-12 | Thyssenkrupp Ag | Shock absorber with a spring plate attached thereto and method for attaching a spring plate to a shock absorber |
DE102020200090A1 (en) | 2020-01-07 | 2021-07-22 | Volkswagen Aktiengesellschaft | Vehicle with an additional spring |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3017337B1 (en) * | 2014-02-13 | 2016-02-19 | Peugeot Citroen Automobiles Sa | SPRING DEVICE HAVING CONTROLLED STIFFNESS |
CN107044504B (en) * | 2016-12-27 | 2019-01-11 | 徐州德高电动车科技有限公司 | A kind of damping of electric vehicles device assembly |
CN106704457B (en) * | 2016-12-27 | 2018-12-07 | 浙江天力机车部件有限公司 | A kind of automobile absorber assembly |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3105170A1 (en) * | 1981-02-13 | 1982-09-02 | Fichtel & Sachs Ag, 8720 Schweinfurt | VIBRATION DAMPER OR SHOCK ABSORBER WITH AT LEAST ONE FITTING ARRANGED ON THE CONTAINER TUBE |
DE3230936A1 (en) | 1982-08-20 | 1984-02-23 | Boge Gmbh, 5208 Eitorf | Spring and damping device for the wheel suspension of vehicles |
DE4315458C2 (en) * | 1993-05-10 | 1996-12-05 | Fichtel & Sachs Ag | Valve for a hydraulic telescopic vibration damper |
DE4122798C2 (en) * | 1991-07-10 | 1997-01-30 | Bilstein August Gmbh Co Kg | Single tube spring damper or strut |
DE19851019C1 (en) | 1998-11-05 | 2000-06-21 | Mannesmann Sachs Ag | Method of manufacturing a spring support |
DE102005041086A1 (en) | 2004-08-30 | 2006-03-09 | Nissan Motor Co., Ltd., Yokohama | System and method for steering motor vehicles |
DE102004051731A1 (en) * | 2004-10-22 | 2006-05-04 | Zf Friedrichshafen Ag | vibration |
DE102005028850B3 (en) * | 2005-06-22 | 2006-12-14 | Zf Friedrichshafen Ag | Bottom valve for a shock absorber applies a radial magnetic force to the fastener to give the required distortion for a form fit |
DE102005041856A1 (en) * | 2005-09-02 | 2007-03-15 | Zf Friedrichshafen Ag | Piston-cylinder unit for vehicle, has piston rod guide provided in outer pipe, where end of pipe turned to guide is closed by closure cap, which is deformed by exerting radially acting magnetic force from electromagnet |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3313536A (en) * | 1965-02-01 | 1967-04-11 | Gen Motors Corp | Shock absorber |
FR2632218A1 (en) * | 1988-06-03 | 1989-12-08 | Lacoste Jean | Method of crimping metal parts using forming by magnetic pressure and articles arising from the implementation of the method |
US4930204A (en) * | 1989-02-01 | 1990-06-05 | A. O. Smith Corporation | Method of forming composite tubular structure |
DE4122789C1 (en) | 1991-07-10 | 1993-01-21 | Leopold Kostal Gmbh & Co Kg, 5880 Luedenscheid, De | Actuating element for adjusting heating, headlamps, dashboard illumination, etc. in vehicle - has potentiometer surrounded by flat bronze strip fixed to housing at least in one region |
DE4131323C2 (en) * | 1991-09-20 | 1995-05-24 | Fichtel & Sachs Ag | Vibration dampers for motor vehicles |
KR100527482B1 (en) * | 2003-11-10 | 2005-11-09 | 현대자동차주식회사 | Combination device using electromagnetic molding |
-
2007
- 2007-06-30 DE DE102007030549A patent/DE102007030549A1/en not_active Ceased
-
2008
- 2008-06-04 EP EP08157530.0A patent/EP2009322A3/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3105170A1 (en) * | 1981-02-13 | 1982-09-02 | Fichtel & Sachs Ag, 8720 Schweinfurt | VIBRATION DAMPER OR SHOCK ABSORBER WITH AT LEAST ONE FITTING ARRANGED ON THE CONTAINER TUBE |
DE3230936A1 (en) | 1982-08-20 | 1984-02-23 | Boge Gmbh, 5208 Eitorf | Spring and damping device for the wheel suspension of vehicles |
DE4122798C2 (en) * | 1991-07-10 | 1997-01-30 | Bilstein August Gmbh Co Kg | Single tube spring damper or strut |
DE4315458C2 (en) * | 1993-05-10 | 1996-12-05 | Fichtel & Sachs Ag | Valve for a hydraulic telescopic vibration damper |
DE19851019C1 (en) | 1998-11-05 | 2000-06-21 | Mannesmann Sachs Ag | Method of manufacturing a spring support |
DE102005041086A1 (en) | 2004-08-30 | 2006-03-09 | Nissan Motor Co., Ltd., Yokohama | System and method for steering motor vehicles |
DE102004051731A1 (en) * | 2004-10-22 | 2006-05-04 | Zf Friedrichshafen Ag | vibration |
DE102005028850B3 (en) * | 2005-06-22 | 2006-12-14 | Zf Friedrichshafen Ag | Bottom valve for a shock absorber applies a radial magnetic force to the fastener to give the required distortion for a form fit |
DE102005041856A1 (en) * | 2005-09-02 | 2007-03-15 | Zf Friedrichshafen Ag | Piston-cylinder unit for vehicle, has piston rod guide provided in outer pipe, where end of pipe turned to guide is closed by closure cap, which is deformed by exerting radially acting magnetic force from electromagnet |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014116109A1 (en) * | 2014-11-05 | 2016-05-12 | Thyssenkrupp Ag | Shock absorber with a spring plate attached thereto and method for attaching a spring plate to a shock absorber |
US10780758B2 (en) | 2014-11-05 | 2020-09-22 | Thyssenkrupp Bilstein Gmbh | Shock-absorbing damper with a spring plate fastened thereto, and method for the fastening of a spring plate to a shock-absorbing damper |
DE102020200090A1 (en) | 2020-01-07 | 2021-07-22 | Volkswagen Aktiengesellschaft | Vehicle with an additional spring |
DE102020200090B4 (en) | 2020-01-07 | 2021-08-19 | Volkswagen Aktiengesellschaft | Vehicle with an additional spring |
Also Published As
Publication number | Publication date |
---|---|
EP2009322A2 (en) | 2008-12-31 |
EP2009322A3 (en) | 2014-06-04 |
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OP8 | Request for examination as to paragraph 44 patent law | ||
R016 | Response to examination communication | ||
R016 | Response to examination communication | ||
R002 | Refusal decision in examination/registration proceedings | ||
R003 | Refusal decision now final |